US4455398A - Glass fiber reinforced polyvinyl composition - Google Patents

Glass fiber reinforced polyvinyl composition Download PDF

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US4455398A
US4455398A US06/461,742 US46174283A US4455398A US 4455398 A US4455398 A US 4455398A US 46174283 A US46174283 A US 46174283A US 4455398 A US4455398 A US 4455398A
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weight
parts
composition
glass fibers
polyvinyl chloride
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US06/461,742
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Wolfgang Budich
Bertram Gasper
Josef Kurth
Karl-Gunter Scharf
Waldemar Wissinger
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HT Troplast AG
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Dynamit Nobel AG
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Assigned to DYNAMIT NOBEL AKTIENGESELLSCHAFT, reassignment DYNAMIT NOBEL AKTIENGESELLSCHAFT, ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BUDICH, WOLFGANG, GASPER, BERTRAM, KURTH, JOSEF, SHARF, KARL-GUNTER, WISSINGER, WALDEMAR
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Assigned to HULS TROISDORF AKTIENGESELLSCHAFT reassignment HULS TROISDORF AKTIENGESELLSCHAFT CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DYNAMIT NOBEL AKTIENGESELLSCHAFT
Assigned to HT TROPLAST AG reassignment HT TROPLAST AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HULS TROISDORF AKTIENGESELLSCHAFT
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients

Definitions

  • This invention relates to a glass fiber reinforced polyvinyl chloride composition made up of polyvinyl chloride resin, glass fibers, and inorganic fillers differing from the glass fibers and optionally customary additives, such as mold release agents, stabilizers, processing aids, colorants, or the like.
  • inactive fillers are understood to mean, in general, additives in the solid form differing with respect to their composition and structure from the synthetic resin matrix; in most cases, inorganic materials are involved here which are also called extender fillers, such as, for example, calcium carbonate, hydrated aluminas, and aluminosilicates.
  • Active fillers are understood to mean those which, in a controlled fashion, improve certain mechanical or physical porperties of the synthetic resin; they are in most cases also called reinforcing fillers or agents.
  • the best reinforcing agents are, in general, of a fibrous structure; the most frequently employed reinforcing material is constituted by glass fibers.
  • the inactive fillers in most instances have, rather, a lowering effect on tensile strength and toughness of the snythetic resin and are chemically inactive, and inexpensive, reinforcing fillers such as glass fibers impart a rigidifying effect and a satisfactory force application with low shrinkage with chemical inactivity.
  • Disadvantages in the reinforcing fillers, such as glass fibers are anisotropy, as well as orientation of the glass fibers when processing the synthetic resin composition.
  • DAS 2,540,639 discloses a pulverulent, glass fiber-reinforced extrusion composition based on polyvinyl chloride, made up on the basis of 15-30 parts by weight of mineral fillers having an average particle size of below 50 ⁇ m, 1.5-3 of at least one mold release agent and 15-30 parts by weight of glass fibers per 100 parts by weight of polyvinyl chloride.
  • This composition makes it possible to manufacture reinforced articles wih a smooth surface and a homogeneous structure by the extrusion method.
  • the invention is based on the object of providing a glass-reinforced composition based on polyvinyl chloride resin which, with higher glass fiber proportions than known for extrusion compositions according to DAS 2,540,639, yet has improved mechanical properties without any additional, special adhesion promoter according to British Pat. No. 1,345,841, and which can be perfectly processed into homogeneous molded articles.
  • the invention attains the thus-posed object by a composition containing, per 100 parts by weight of a polyvinyl chloride having a K value of between 55 and 75, 40-100 parts by weight of glass fibers with a diameter of between 5 and 25 ⁇ m with a length of up to 12 mm, and 1-25 parts by weight of a mineral filler having an average particle diameter of below 50 ⁇ m. It has been found surprisingly that it is possible, by the use of relatively small proportions of mineral, powdery fillers, together with relatively large proportions of glass fibers, to obtain a reinforced polyvinyl chloride composition which still can be excellently processed especially by extrusion and which has a balanced spectrum of properties.
  • the modulus of elasticity can be increased as compared with non-reinforced polyvinyl chloride, achieving with the composition of this invention at least 8000 N/mm 2 at 23° C. as the modulus of elasticity for extruded products in the extrusion direction, as measured pursuant to DIN [German Industrial Standard] 53457.
  • Polyvinyl chloride resin as used herein is understood to mean polyvinyl chloride (i.e., homopolymer) produced by bulk, suspension, or emulsion polymerization with a K value of between 55 and 75; whereby the K-value refers to the homopolymer content of vinylchloride as well as polyvinylidene chloride; post-chlorinated polyvinyl chloride; and the copolymers obtained from a chlorinated monomer, e.g., vinyl chloride, and at least one monomer copolymerizable therewith, for example, a homopolymer of vinylchloride, or copolymers and/or graft polymers thereof, with, for example, ethylene-vinyl acetate, alkyl (e.g., methyl), acrylate, vinyl acetate, chlorinated polyethylene, butadiene, polyolefins, or similar compounds as the co- or graft component, as well as mixtures of these materials, wherein the K-
  • the mineral fillers in addition to the glass fibers serve, when used in amounts up to 25 parts by weight, hardly to render the composition less expensive, but rather, in essence, to improve the processing characteristics; the mechanical properties of the composition are only slightly affected. Too high a mineral filler content has a negative influence on the improvements of the mechanical properties which are to be brought about precisely by the use of glass fibers.
  • Usable fillers are mineral fillers, such as, for example, natural or precipitated chalk, siliceous chalk, colloidal silicic acid, aluminosilicates, or hydrated alumina, with or without appropriate surface treatment, singly or in blends with one another.
  • the particle size of the fillers is, if at all possible, not to exceed substantially the fiber diameter of the glass fibers; in other words, the maximum particle diameter of the filler is to be smaller than 50 ⁇ m, preferably smaller than 20 ⁇ m.
  • the starting material of glass fibers employed is constituted, depending on the processing method, either by endless or cut glass fibers having a preferred filament diameter of between 5 and 25 ⁇ m.
  • the initial length is to be at least 0.5 mm, preferably between 3 and 12 mm.
  • the initial length will be broken down anyway to a final length of between about 0.3 to 1.5 mm, for example, during extrusion.
  • all types of glass fibers can be utilized for the invention as long as they are compatible with PVC.
  • those fibers are used with preference which have been pretreated by an appropriate surface treatment with the addition of adhesion promoters, such as, for example, vinyl silane and substituted alkyl silanes, e.g., chloroalkyl, aminoalkyl, diaminoalkyl silanes, and others.
  • adhesion promoters such as, for example, vinyl silane and substituted alkyl silanes, e.g., chloroalkyl, aminoalkyl, diaminoalkyl silanes, and others.
  • this pretreatment takes place normally during the manufacturing process of the glass fibers, rather than in the processing of the PVC compositions.
  • Unmodified polyvinyl chloride exhibits, besides a good impact resistance, an only moderate notched impact resistance. Notched impact resistance is only slightly affected by the addition of glass fibers, but the good impact resistance is reduced to the level of notched impact resistance.
  • a polymeric modifier is added to the composition in accordance with the invention, such as, for example, ethylene-vinyl acetate copolymer, polymethyl acrylate, chlorinated polyethylene, acrylate-butadiene-styrene copolymer, methyl, methacrylate-butadiene-styrene copolymer, or the like, with up to 30 parts by weight per 100 parts by weight of the polyvinyl chloride homopolymer (PVC).
  • PVC polyvinyl chloride homopolymer
  • the compositions of this invention turn out to have an addition of mold release agent which is substantially increased over known compositions.
  • This addition in the composition of this invention, ranges preferably between 2.5 and 5.5. parts by weight of mold release agent per 100 parts by weight of polyvinyl chloride resin, the proportion of mold release agent rising with increasing proportion of glass fibers and fillers.
  • the mold release agents known in the processing of PVC and PVC-containing molding compositions are utilized, i.e., normally mixtures of so-called internal mold release agents, in other words mold release agents well compatible with PVC, and so-called external mold release agents, in other words products less readily compatible with PVC.
  • the internal mold release agents are, for example, glycerol mono-, di-, and triesters of natural or oxidized carboxylic acids having chain lengths of C 12 to C 40 , fatty alcohols of the aforementioned chain lengths, neutral and alkaline metallic soaps, preferably stearates, of the metals lead, clacium, barium, magnesium, cadmium, and others; C 10 to C 40 alcohols esterified with C 12 to C 36 acids; phthalic acid esters of long-chain alcohols, etc.
  • fatty acids for example, fatty acids, C 12 to C 40 and/or substituted (oxidized) fatty acids, paraffin oils and solid paraffins, polyethylenes and/or oxidized polyethylenes, fatty acid amides, silicone oils, and similar compounds.
  • stabilizers such as, for example, complex barium-cadmium soaps, lead salts and/or lead soaps, complex calcium-zinc soaps, alkyltin mercapto compounds, or alkyltin carboxylates, furthermore, organic stabilizers, such as epoxidized oils or esters, diphenylthioureas, phenylindole, arylic or alkylic or arylic-alkylic mixed phosphites, individually or in blends.
  • stabilizers such as, for example, complex barium-cadmium soaps, lead salts and/or lead soaps, complex calcium-zinc soaps, alkyltin mercapto compounds, or alkyltin carboxylates
  • organic stabilizers such as epoxidized oils or esters, diphenylthioureas, phenylindole, arylic or alkylic or arylic-alkylic mixed phosphites, individually or in blends.
  • composition conventional antioxidants, such as, for example, sterically hindered phenols or bisphenol or the like, especially for the stabilization of the modifying components and/or the co- or graft components.
  • Preferred amounts range between 1 and 5 parts by weight of the stabilizers per 100 parts by weight of polyvinyl chloride resin.
  • additives are processing aids, plasticizers, also plasticizing aids, and colorants.
  • a preferred composition according to this invention contains, per 100 parts by weight of polyvinyl chloride having a K value of between 55 and 75, 40-80 parts by weight of glass fibers with a diameter of between 5 and 25 ⁇ m with a length of 0.5-12 mm, 1-15 parts by weight of a powdery mineral filler having an average particle diameter of below 50 ⁇ m, and 2.5-5.0 parts by weight of a mold release agent, and up to 30 parts by weight of a polymeric modifier.
  • the present invention exhibits remarkable advantages rendering the glass fiber-reinforced polyvinyl chloride composition eminently suitable for use in the manufacture of molded articles, especially by the extrusion method, the molded articles exhibiting, in the extrusion direction, a modulus of elasticity of at least 8000N/mm 2 at 23° C.
  • the thus-produced molded articles exhibit, depending on glass proportion and filler proportion, a very fine microporous surface whereby adhesion to subsequent coatings, for example, based on PVC or some other thermoplastic, is substantially improved.
  • composition of this invention can serve for the manufacture of core components of high mechanical rigidity and strength which are thereafter or simultaneously encased by a non-reinforced thermoplastic on the same basis or some other basis, for example, by means of extrusion, lamination or dipping.
  • the casing can also be provided over only a portion of the surface of the molded article.
  • suitable materials are, in particular, those compatible with PVC, which can optionally also be weather-resistant, such as, for example, acrylates, polyesters, polymethacrylates, acrylate-containing polymers, or the like, and/or multiple coatings with various materials.
  • composition of this invention makes it possible to manufacture molded articles having mechanical properties which are substantially improved over the non-reinforced synthetic resin, so that the molded articles can be utilized for supporting constructions and so that, for example, the use of metallic reinforcements widely used in profile constructions with the use of synthetic resins can be omitted, and/or the wall thicknesses of the profile members can be reduced.
  • composition according to this invention can be homogenized with one another according to known techniques for the preparation of extrusible mixtures, and can then be extruded.
  • Examples 1 through 18 presented hereinafter serve to describe and explain the invention.
  • Examples 1-6, 8, 10, 12 and 13 are to be considered comparative examples, or examples lying outside of the invention; whereas Examples 7, 9, 11 and 14-18 serve to illustrate the invention.
  • the examples are set forth in the table that follows.
  • the components can be mixed together in dry pulverulent form and plasticized; from this composition, panels having a thickness of about 4 mm and a width of about 500 mm are extruded with the use of a single-screw extruder, for example. Extrusion was carried out with barrel temperatures rising from 160° to 190° C. at a die temperature of 195° C. These panels were used to produce the test specimens according to the standardized tests.
  • compositions according to the examples are expressed in parts by weight; for Examples 1 through 13, a suspension PVC is used having a K value of 64, and for Examples 14-18, a suspension PVC is employed having a K value of 57.
  • the various modifiers utilized in Examples 10-18 are designated by their abbreviations.
  • the properties were measured on the extruded panels, namely, respectively in the longitudinal and transverse directions.
  • the modulus of elasticity was determined according to DIN 53457; the impact resistance (notched) according to Izod ASTM D 256, the tensile stress at break according to DIN 53455, the elongation at break according to DIN 53455, and the deflection temperature under load, Method A, in °C. according to ISO R 75.
  • Example 1 contains a non-reinforced PVC composition without additional fillers, as a comparative example.
  • Examples 3 and 6 each comprise a reinforced composition with 30 and 50 parts by weight of glass fibers, respectively, without any other fillers. It can be seen therefrom that the modulus of elasticity rises by adding glass fibers, while the tensile stress at break is already somewhat on the decrease.
  • a mineral filler in this case calcium carbonate according to Example 7, however, it is possible to considerably improve the modulus of elasticity as well as the other mechanical properties, except for the elongation, as compared with Example 6 without a mineral filler.
  • Examples 2, 5 and 9 demonstrate, in a comparative series, how, in case of non-reinforced PVC, the property spectrum of the mechanical characteristics is altered with continuous addition of glass fibers for reinforcing purposes, with a constant proportion of mineral filler, in this case, calcium carbonate. It can be seen especially clearly from a comparison of Examples 7 and 9 that increased addition of mineral fillers to the glass fibers does not result in an essential improvement of properties; rather, the properties, with the proportions chosen according to this invention, are approximately in equilibrium, i.e. with a slightly declining modulus of elasticity and notched impact resistance, and with the tensile stress at break still being on the rise, good characteristics are obtained as compared to the product without mineral fillers, see Example 6.
  • a comparison of Examples 4 and 8 shows that, with too low a proportion of glass fibers, the high rigidifying effect desired according to this invention for the molded articles based on the reinforced PVC composition is not as yet achieved.
  • Example 10 shows a composition containing an impact-resistant modifier to increase impact resistance (notched); however, this is accomplished at the cost of the modulus of elasticity, in particular, and the tensile stress at break. The latter can then be raised again in accordance with Example 11 merely by adding minor amounts of a mineral filler, such as calcium carbonate.
  • Examples 12 and 13 show further addition of modifiers in higher proportions, which latter, however, do not have an enhancing effect on the mechanical properties, in particular, but rather have an adverse effect, in spite of an increase in notched impact resistance.
  • Examples 14 through 18 demonstrate the addition of smaller proportions of polymeric modifiers to increase motched impact resistance, with constant addition of small amounts of calcium carbonate, and with a rising proportion of glass fibers. These examples show the improvement of the modulus of elasticity with rising glass fiber proportion while notched impact resistance and tensile stress at break are simultaneously retained to the desired extent. With notched impace resistance, the impact resistance of these compositions is likewise improved.
  • FIG. 1 shows the modulus of elasticity in dependence on the glass fiber proportion and the mineral filler in the composition.
  • Curves 1a and 1b show the course of the modulus of elasticity according to Examples 1, 3, 6 in the longitudinal and transverse directions of the panel with 0 weight proportions of calcium carbonate;
  • curves 2a, 2b show the modulus of elasticity with 15 parts by weight of calcium carbonate according to Examples 4, 8; and
  • curves 3a, 3b show the same with 25 parts by weight of calcium carbonate in accordance with Examples 2, 5, 9.
  • FIG. 2 depicts the dependency of the tensile stress at break on the glass fiber proportion and mineral filler proportion in correspondence with Examples 1, 3, 6, in curves 1a, 1b; in correspondence with Examples 4, 8, in curves 2a, 2b; and in correspondence with Examples 2, 5, 9, in curves 3a, 3b.
  • the small amounts of mineral filler in addition to the glass fibers improve the processability of the composition, on the one hand, but, on the other hand, exert only a small negative influence on the mechanical properties and essentially preserve the reinforcing properties attained by the addition of the glass fibers.
  • compositions according to this invention are surprising, leading in spite of the high glass fiber proportions to a homogeneous product distinguished by very good mechanical properties and low shrinkage (toward zero).
  • Low shrinkage in this connection means that the stresses frozen in during the processing of the composition of this invention into profiles or pipes will not be triggered later on during use of the products, even at higher temperatures; this can be proven, for example, by a high-temperature storage test at 100° C.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
US06/461,742 1982-01-29 1983-01-28 Glass fiber reinforced polyvinyl composition Expired - Lifetime US4455398A (en)

Applications Claiming Priority (2)

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DE3202919 1982-01-29
DE19823202919 DE3202919A1 (de) 1982-01-29 1982-01-29 Glasfaserverstaerkte polyvinyl-zusammensetzung

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EP (1) EP0085778A1 (de)
JP (1) JPS58134140A (de)
KR (1) KR840003267A (de)
DE (1) DE3202919A1 (de)

Cited By (19)

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US4617330A (en) * 1984-03-30 1986-10-14 Kabushiki Kaisha Toshiba Epoxy resin composition for cast molding
US4622351A (en) * 1984-02-21 1986-11-11 The Dow Chemical Company Rubber-reinforced polymeric resins containing a mineral fiber
US4871789A (en) * 1988-04-18 1989-10-03 The Dow Chemical Company Reinforced polymer compositions having excellent distinctness of image
US4900771A (en) * 1989-01-26 1990-02-13 Aster, Inc. Hot applied plastisol compositions
US4943603A (en) * 1988-04-18 1990-07-24 The Dow Chemical Company Reinforced polymer compositions having excellent distinctness of image
US5143650A (en) * 1990-11-13 1992-09-01 Aster, Inc. Electrophoretic coatable sealant compositions comprising polyvinyl chloride and furnace carbon black
US5223106A (en) * 1990-11-13 1993-06-29 Aster, Inc. Method of using an electrophoretic coatable sealant composition in assembling automobile bodies
US6093359A (en) * 1997-11-06 2000-07-25 Gauchel; James V. Reinforced thermoplastic composite systems
US6242527B1 (en) 1998-12-02 2001-06-05 E. I. Du Pont De Nemours And Company Solid surface materials derived from aqueous latex dispersions of thermoplastic polymers
US6267843B1 (en) 1996-03-20 2001-07-31 Owens Corning Fiberglas Technology, Inc. Wet-laid nonwoven mat and a process for making same
EP1440798A2 (de) 2002-12-27 2004-07-28 Day International Inc. Vorrichtung zum Dosieren des Feuchtwassers
US20070078191A1 (en) * 2005-09-30 2007-04-05 Guhde Brian J Foamed reinforced composite siding product
US20100075104A1 (en) * 2006-11-27 2010-03-25 Solvay (Societe Anonyme) Method for producing a PVC-based composite plate and structure including one such plate
WO2010049532A1 (en) * 2008-10-31 2010-05-06 Tessenderlo Chemie N.V./S.A. Pvc profiles with high contents of mineral filler and their uses
BE1018453A3 (nl) * 2008-10-31 2010-12-07 Tessenderlo Chemie N V S A Geschuimde pvc profielen met hoog gehalte minerale vulstof en hun gebruik.
US9382398B1 (en) 2015-05-20 2016-07-05 Roderick E. Hughes Composite members and methods for producing same
US9394432B1 (en) 2015-05-20 2016-07-19 Roderick E. Hughes Composite members and methods for producing same
CN112011110A (zh) * 2020-08-24 2020-12-01 巢湖市国力航标器材有限公司 一种高强度聚乙烯浮标望板的制备方法
CN115232412A (zh) * 2022-07-12 2022-10-25 刘现海 一种市政建筑用复合顶拉管及制备方法

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JPS60173037A (ja) * 1984-02-17 1985-09-06 Sekisui Chem Co Ltd 塩化ビニル系樹脂成形品及びその成形方法
JPS60177060A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177054A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177058A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177056A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177059A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177055A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177061A (ja) * 1984-02-22 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPS60177063A (ja) * 1984-02-22 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JPH01207344A (ja) * 1988-02-15 1989-08-21 Nippon Oil & Fats Co Ltd 塩化ビニル樹脂用滑剤

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US3632366A (en) * 1968-01-11 1972-01-04 Asahi Glass Co Ltd Method of producing moldable reinforced thermoplastic material
US3644271A (en) * 1970-03-02 1972-02-22 Ethyl Corp Composition and process for injection molding thermoplastic material and glass fibers
US3766131A (en) * 1971-05-11 1973-10-16 Liquid Nitrogen Processing Glass reinforced thermoplastic compositions with metallocene couplingagents
US3883473A (en) * 1971-09-17 1975-05-13 Ethyl Corp Glass fiber reinforced polyvinyl chloride
US3932573A (en) * 1974-02-20 1976-01-13 Ethyl Corporation Process for producing glass fiber reinforced injection molding compounds
GB1498450A (en) * 1974-09-13 1978-01-18 Ugine Kuhlmann Extrusion composition based on glass fibre reinforced vinyl resin

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622351A (en) * 1984-02-21 1986-11-11 The Dow Chemical Company Rubber-reinforced polymeric resins containing a mineral fiber
US4617330A (en) * 1984-03-30 1986-10-14 Kabushiki Kaisha Toshiba Epoxy resin composition for cast molding
US4871789A (en) * 1988-04-18 1989-10-03 The Dow Chemical Company Reinforced polymer compositions having excellent distinctness of image
US4943603A (en) * 1988-04-18 1990-07-24 The Dow Chemical Company Reinforced polymer compositions having excellent distinctness of image
US4900771A (en) * 1989-01-26 1990-02-13 Aster, Inc. Hot applied plastisol compositions
US5143650A (en) * 1990-11-13 1992-09-01 Aster, Inc. Electrophoretic coatable sealant compositions comprising polyvinyl chloride and furnace carbon black
US5223106A (en) * 1990-11-13 1993-06-29 Aster, Inc. Method of using an electrophoretic coatable sealant composition in assembling automobile bodies
US6365001B1 (en) 1996-03-20 2002-04-02 Owens Corning Fiberglas Technology, Inc. Wet-laid nonwoven mat and a process for making same
US6267843B1 (en) 1996-03-20 2001-07-31 Owens Corning Fiberglas Technology, Inc. Wet-laid nonwoven mat and a process for making same
US6093359A (en) * 1997-11-06 2000-07-25 Gauchel; James V. Reinforced thermoplastic composite systems
US6242527B1 (en) 1998-12-02 2001-06-05 E. I. Du Pont De Nemours And Company Solid surface materials derived from aqueous latex dispersions of thermoplastic polymers
EP1440798A2 (de) 2002-12-27 2004-07-28 Day International Inc. Vorrichtung zum Dosieren des Feuchtwassers
US20070078191A1 (en) * 2005-09-30 2007-04-05 Guhde Brian J Foamed reinforced composite siding product
US9327427B2 (en) 2006-11-27 2016-05-03 Solvay (Societe Anonyme) Method for producing a PVC-based composite plate and structure including one such plate
US20100075104A1 (en) * 2006-11-27 2010-03-25 Solvay (Societe Anonyme) Method for producing a PVC-based composite plate and structure including one such plate
WO2010049532A1 (en) * 2008-10-31 2010-05-06 Tessenderlo Chemie N.V./S.A. Pvc profiles with high contents of mineral filler and their uses
BE1018451A3 (nl) * 2008-10-31 2010-12-07 Tessenderlo Chemie N V S A Pvc profielen met hoog gehalte aan minerale vulstof en hun gebruik.
BE1018453A3 (nl) * 2008-10-31 2010-12-07 Tessenderlo Chemie N V S A Geschuimde pvc profielen met hoog gehalte minerale vulstof en hun gebruik.
BE1018320A3 (nl) * 2008-10-31 2010-08-03 Tessenderlo Chemie N V S A Pvc profielen met hoog gehalte aan minerale vulstof en hun gebruik.
US9382398B1 (en) 2015-05-20 2016-07-05 Roderick E. Hughes Composite members and methods for producing same
US9394432B1 (en) 2015-05-20 2016-07-19 Roderick E. Hughes Composite members and methods for producing same
CN112011110A (zh) * 2020-08-24 2020-12-01 巢湖市国力航标器材有限公司 一种高强度聚乙烯浮标望板的制备方法
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KR840003267A (ko) 1984-08-20
DE3202919A1 (de) 1983-08-11
JPS58134140A (ja) 1983-08-10
EP0085778A1 (de) 1983-08-17

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